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  • RainbowImaging Pentax PK lens to Micro 4/3 Four Thirds System Camera Mount Adapter, Olympus PEN E-P1, Panasonic Lumix DMC-GF1, GH1, G1, G2, G10, (RainbowImaging Adapter)
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RainbowImaging Pentax PK lens to Micro 4/3 Four Thirds System Camera Mount Adapter, Olympus PEN E-P1, Panasonic Lumix DMC-GF1, GH1, G1, G2, G10, (RainbowImaging Adapter)


Currently unavailable.
We don't know when or if this item will be back in stock.
  • Solid metal mount lens adapter allows Pentax Manual Lens to be used on micro 4/3 camera body.
  • Allows Lens focus to infinity
  • Superior quality, made of brass, anodized aluminum camera body mount, smooth surface finishing!
  • Compatible to: Panasonic G1 G2 G3 G10 GH1 GH2 GH3 GF1 GF2 GF3 GF5 GX1 Olympus E-P1 E-P2 E-P3 E-PL1 E-PL2 E-PL3

Technical Details

  • Brand Name: Rainbowimaging
  • Model: M43AdapterPentax

Product Details

  • Shipping Weight: 3.2 ounces
  • ASIN: B002U4RQLK
  • Item model number: M43AdapterPentax
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (11 customer reviews)
  • Date first available at Amazon.com: October 24, 2009

Product Description

RainbowImaging Pentax PK lens to Micro 4/3 Four Thirds MFT System Camera Mount Adapter (RainbowImaging Adapter)

Customer Questions & Answers

Customer Reviews

4.2 out of 5 stars
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See all 11 customer reviews
Solid construction and perfect fit.
E. A. Gonzalez
The fit on my OM-D is a bit tight and I found a small metal shard inside when I unpacked it that could have gotten into my camera.
Robert S. Donovan
I'm a learning photographer without a lot of extra cash.
Bill in AZ

Most Helpful Customer Reviews

3 of 3 people found the following review helpful By Les Schmader on November 7, 2011
Verified Purchase
This is my third Rainbow Imaging K-mount to m4/3 adapter. All three have fit and performed well. This model appears to be the earlier version with the paddle type release versus the joystick of the other models. And each has had a different type of Knurling on the mount. Fit and finish is fine, especially at the sale price of @$13.

All three focus "beyond" infinity by roughly the same amount with my 28 and 50mm primes. It would be nice if they were closer to infinity at the dead stop, but I can't complain for the price and convenience.

It's become so comfortable using the adapted SMC-M primes on the G1, that I forget that I lose the IS. These really expand the use of these toys.
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2 of 2 people found the following review helpful By Chris Gonzalez on July 14, 2013
Verified Purchase
So I'll confirm the fears this thing does jam up.

After 10 minutes of struggling we go it off a lens but if it had been a older person with weaker hands they might not have had the same luck.

It works great though. Just be careful how you insert the lens and make sure the release mechanism travels all the way before inserting a lens.
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2 of 2 people found the following review helpful By Bill in AZ on February 13, 2013
Verified Purchase
I bought a MFT last year with one lens. I'm a learning photographer without a lot of extra cash. I did have two 30+ year old lenses from my old K1000 and spotted this adapter.

One lens was the kit 50mm prime lens and the other a 200mm zoom from Sears (of all places) that I must have bought back then.

Anyway, once you understand the 'infinity' issues and the 'crop factor' issues, things that purists probably don't want to deal with, for under $20 I put the equivalent of easily a $1000 worth of new lenses to work. The results are very good and have allowed me to learn without investing before I'm sure of what I want or need.

The device has been solid and easy to use. I'm happy with it.
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2 of 2 people found the following review helpful By Robert S. Donovan on January 24, 2013
Verified Purchase
The fit on my OM-D is a bit tight and I found a small metal shard inside when I unpacked it that could have gotten into my camera. I bought this adapter to make use of an old K-mount manual lens that I use occasionally and for that purpose I think it is fine. Just be sure to check the inside carefully before use! If I was using it daily I'd opt for a better made version from a more reputable brand.
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1 of 1 people found the following review helpful By Marcus Cane Prevost on December 19, 2012
Verified Purchase
Works just as described. Would buy again. Lens fits tight and adapter fits snuggly agains camera. No problems at all.
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1 of 1 people found the following review helpful By E. A. Gonzalez on August 22, 2010
Excellent price for use with legacy K-Mount manual lenses. I use it with my e-p1. Solid construction and perfect fit. I would recommend!
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